No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Disease Progression
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Female
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Forced Expiratory Volume
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Humans
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Internationality
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Lung / physiopathology
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Male
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Middle Aged
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Pulmonary Disease, Chronic Obstructive / diagnosis*
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Pulmonary Disease, Chronic Obstructive / physiopathology*
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Severity of Illness Index
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Spirometry